CN104682344B - A kind of electric wiring catches fire early warning protector - Google Patents
A kind of electric wiring catches fire early warning protector Download PDFInfo
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- CN104682344B CN104682344B CN201510143157.4A CN201510143157A CN104682344B CN 104682344 B CN104682344 B CN 104682344B CN 201510143157 A CN201510143157 A CN 201510143157A CN 104682344 B CN104682344 B CN 104682344B
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Abstract
Description
Claims (2)
- The early warning protector 1. a kind of electric wiring catches fire, it is characterised in that:The protector includes the first live wire connection end, first Zero line connection end, the first live wire connection end extraction wire is connected to the first contact of the first relay, first zero line Connection end extraction wire is connected to the second contact of the first relay;From the first contact and the second contact of first relay The first piezo-resistance and the second piezo-resistance of series connection are drawn, the 3rd piezo-resistance is in parallel with above-mentioned series circuit;From described The first diode, the first electrochemical capacitor and the second electrolysis electricity of series connection are also drawn in the first contact and the second contact of one relay Hold, wherein the positive pole of first diode is connected with the first contact of first relay, first diode Negative pole is connected with first electrochemical capacitor;The positive pole of first diode draws the first contact of the second relay, institute The negative pole for stating the first diode draws the second contact of the second relay;Second contact of second relay connects in closure Over-and under-voltage discriminating unit is connected to, power input discriminating unit is connected to when disconnecting;The over-and under-voltage discriminating unit and electricity Source input discriminating unit is connected to the second relay;First contact of second relay is additionally coupled to electric energy metrical detection Unit, the electric energy metrical detection unit is also connected with display unit, current sensor respectively;The current sensor also divides The first contact not with overcurrent discriminating unit, the 3rd relay is connected;The overcurrent discriminating unit and the 3rd relay It is connected;The 4th piezo-resistance is drawn between the current sensor and the 3rd the first contact of relay and is connected to the first relay Second contact of device;First contact of the 3rd relay is additionally coupled to zero sequence current mutual inductor;In the 3rd relay The first contact and zero sequence current mutual inductor between draw the 5th piezo-resistance and be connected to the second contact of the 3rd relay;It is described Second contact of the 3rd relay is additionally coupled to the second contact of the first relay;The zero sequence current mutual inductor is also drawn respectively Wire is connected to the second contact, leakage current test unit, the second live wire connection end and the connection of the second zero line of the 3rd relay End;The leakage current test unit is also connected with the 3rd relay;In the second live wire connection end and the 2nd 0 Second resistance and the 3rd electric capacity are connected in series between line connection end;First protection ground wire connection end extraction wire is connected to described the Between one piezo-resistance and the second piezo-resistance;The is used as from the described first protection ground wire connection end also extraction wire to output end Two protection ground wire connection ends.
- The early warning protector 2. the electric wiring according to claim 1 catches fire, it is characterised in that:The protector also includes Acousto-optic warning unit, the acousto-optic warning unit is connected with the over-and under-voltage discriminating unit, and it also draws first resistor company It is connected between the 5th piezo-resistance and the second contact of the 3rd relay, the acousto-optic warning unit includes luminous two Pole pipe and loudspeaker.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510143157.4A CN104682344B (en) | 2015-03-30 | 2015-03-30 | A kind of electric wiring catches fire early warning protector |
Applications Claiming Priority (1)
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CN201510143157.4A CN104682344B (en) | 2015-03-30 | 2015-03-30 | A kind of electric wiring catches fire early warning protector |
Publications (2)
Publication Number | Publication Date |
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CN104682344A CN104682344A (en) | 2015-06-03 |
CN104682344B true CN104682344B (en) | 2017-09-15 |
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CN201510143157.4A Active CN104682344B (en) | 2015-03-30 | 2015-03-30 | A kind of electric wiring catches fire early warning protector |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109754567A (en) * | 2019-01-23 | 2019-05-14 | 福建师范大学 | A kind of flame detector operating circuit |
CN110429561B (en) * | 2019-08-28 | 2021-11-05 | 华邦创科(惠州市)智能科技有限公司 | Intelligent protection device for electrical fire |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10191552A (en) * | 1996-12-25 | 1998-07-21 | Fuji Electric Co Ltd | Overvoltage detection circuit for earth leakage breaker |
CN201051653Y (en) * | 2006-12-21 | 2008-04-23 | 刘在能 | Automatic controller for multi-function electric current leakage fire |
CN101431226A (en) * | 2007-11-05 | 2009-05-13 | 鸿富锦精密工业(深圳)有限公司 | Power supply protection circuit |
CN101685959A (en) * | 2008-09-27 | 2010-03-31 | 湖南欧美加昇科技发展有限公司 | Electrical intelligent fire disaster protector |
CN203859338U (en) * | 2014-05-16 | 2014-10-01 | 西安芯派电子科技有限公司 | Power strip inhibiting surge voltage and current |
CN104218619A (en) * | 2014-09-15 | 2014-12-17 | 深圳市福瑞康电子有限公司 | Intelligent power supply device |
CN204424867U (en) * | 2015-03-30 | 2015-06-24 | 威海人合机电股份有限公司 | Electric wiring catches fire early warning protector |
-
2015
- 2015-03-30 CN CN201510143157.4A patent/CN104682344B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10191552A (en) * | 1996-12-25 | 1998-07-21 | Fuji Electric Co Ltd | Overvoltage detection circuit for earth leakage breaker |
CN201051653Y (en) * | 2006-12-21 | 2008-04-23 | 刘在能 | Automatic controller for multi-function electric current leakage fire |
CN101431226A (en) * | 2007-11-05 | 2009-05-13 | 鸿富锦精密工业(深圳)有限公司 | Power supply protection circuit |
CN101685959A (en) * | 2008-09-27 | 2010-03-31 | 湖南欧美加昇科技发展有限公司 | Electrical intelligent fire disaster protector |
CN203859338U (en) * | 2014-05-16 | 2014-10-01 | 西安芯派电子科技有限公司 | Power strip inhibiting surge voltage and current |
CN104218619A (en) * | 2014-09-15 | 2014-12-17 | 深圳市福瑞康电子有限公司 | Intelligent power supply device |
CN204424867U (en) * | 2015-03-30 | 2015-06-24 | 威海人合机电股份有限公司 | Electric wiring catches fire early warning protector |
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CN104682344A (en) | 2015-06-03 |
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Denomination of invention: Electrical circuit fire early-warning protector Effective date of registration: 20190122 Granted publication date: 20170915 Pledgee: Weihai City Commercial Bank Limited by Share Ltd high tech branch Pledgor: Weihai HHH Electromechanical Co., Ltd. Registration number: 2017990000889 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220422 Granted publication date: 20170915 Pledgee: Weihai City Commercial Bank Limited by Share Ltd. high tech branch Pledgor: WEIHAI HHH COOPERATION MACH.&ELEC. CO.,LTD. Registration number: 2017990000889 |